./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pals_lcr.4.1.ufo.UNBOUNDED.pals+Problem12_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pals_lcr.4.1.ufo.UNBOUNDED.pals+Problem12_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8852f5d85d99e238ddb4939d2a61f2cf9e42dc8f549b5b69b60dfda9c1201f88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:03:57,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:03:57,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:03:57,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:03:57,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:03:57,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:03:57,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:03:57,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:03:57,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:03:57,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:03:57,933 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:03:57,935 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:03:57,935 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:03:57,938 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:03:57,938 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:03:57,939 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:03:57,939 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:03:57,940 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:03:57,940 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:03:57,941 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:03:57,941 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:03:57,942 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:03:57,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:03:57,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:03:57,944 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:03:57,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:03:57,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:03:57,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:03:57,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:03:57,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:03:57,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:03:57,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:03:57,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:03:57,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:03:57,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:03:57,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:03:57,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:03:57,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:03:57,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:03:57,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:03:57,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:03:57,952 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:03:57,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:03:57,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:03:57,953 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:03:57,953 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:03:57,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:03:57,954 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8852f5d85d99e238ddb4939d2a61f2cf9e42dc8f549b5b69b60dfda9c1201f88 [2023-11-21 19:03:58,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:03:58,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:03:58,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:03:58,328 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:03:58,328 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:03:58,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/combinations/pals_lcr.4.1.ufo.UNBOUNDED.pals+Problem12_label09.c [2023-11-21 19:04:01,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:04:02,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:04:02,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/sv-benchmarks/c/combinations/pals_lcr.4.1.ufo.UNBOUNDED.pals+Problem12_label09.c [2023-11-21 19:04:02,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/data/564aa4f3b/3590c2b4e1294118867e5a8af4745cec/FLAG02b1975b3 [2023-11-21 19:04:02,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/data/564aa4f3b/3590c2b4e1294118867e5a8af4745cec [2023-11-21 19:04:02,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:04:02,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:04:02,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:04:02,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:04:02,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:04:02,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:04:02" (1/1) ... [2023-11-21 19:04:02,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8e8f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:02, skipping insertion in model container [2023-11-21 19:04:02,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:04:02" (1/1) ... [2023-11-21 19:04:02,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:04:02,743 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/sv-benchmarks/c/combinations/pals_lcr.4.1.ufo.UNBOUNDED.pals+Problem12_label09.c[8749,8762] [2023-11-21 19:04:02,837 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/sv-benchmarks/c/combinations/pals_lcr.4.1.ufo.UNBOUNDED.pals+Problem12_label09.c[16497,16510] [2023-11-21 19:04:03,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:04:03,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:04:03,950 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/sv-benchmarks/c/combinations/pals_lcr.4.1.ufo.UNBOUNDED.pals+Problem12_label09.c[8749,8762] [2023-11-21 19:04:03,972 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/sv-benchmarks/c/combinations/pals_lcr.4.1.ufo.UNBOUNDED.pals+Problem12_label09.c[16497,16510] [2023-11-21 19:04:04,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:04:04,637 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:04:04,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04 WrapperNode [2023-11-21 19:04:04,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:04:04,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:04:04,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:04:04,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:04:04,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:04,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,133 INFO L138 Inliner]: procedures = 36, calls = 21, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 5035 [2023-11-21 19:04:05,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:04:05,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:04:05,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:04:05,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:04:05,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:04:05,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:04:05,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:04:05,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:04:05,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:04:04" (1/1) ... [2023-11-21 19:04:05,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:04:05,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:04:05,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:04:05,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4af9e39-6739-4b7c-a14c-b20d5bfe22d4/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:04:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:04:05,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:04:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:04:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:04:06,135 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:04:06,137 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:04:11,280 INFO L281 CfgBuilder]: Performing block encoding